100111442 has 8 divisors (see below), whose sum is σ = 150392316. Its totient is φ = 49980672.

The previous prime is 100111441. The next prime is 100111471. The reversal of 100111442 is 244111001.

It can be written as a sum of positive squares in 2 ways, for example, as 83375161 + 16736281 = 9131^2 + 4091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (100111441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35843 + ... + 38534.

Almost surely, 2^100111442 is an apocalyptic number.

100111442 is a deficient number, since it is larger than the sum of its proper divisors (50280874).

100111442 is an equidigital number, since it uses as much as digits as its factorization.

100111442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75052.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 100111442 is about 10005.5705484495. The cubic root of 100111442 is about 464.3312419981.

Adding to 100111442 its reverse (244111001), we get a palindrome (344222443).

The spelling of 100111442 in words is "one hundred million, one hundred eleven thousand, four hundred forty-two".